:root{font-family:Inter,"Noto Sans TC","Microsoft JhengHei",sans-serif;color:#eef1ed;background:#111b20;font-synthesis:none;--muted:#a8b6b9;--accent:#d9eb8f;--border:#34434a}
*{box-sizing:border-box}body{margin:0;background:radial-gradient(ellipse at 15% 23%,#20353b 0,transparent 48%),#111b20;line-height:1.65}a{color:inherit;text-decoration:none}button,input{font:inherit}button{cursor:pointer}button:disabled{cursor:wait;opacity:.55}[hidden]{display:none!important}.site-header,main,footer{width:min(1120px,calc(100% - 48px));margin:auto}.site-header{display:flex;align-items:center;justify-content:space-between;height:108px;border-bottom:1px solid var(--border);font-size:14px}.brand{font-size:26px;font-weight:800;letter-spacing:.04em}.brand span{color:var(--accent);font-size:12px;letter-spacing:.18em;margin-left:8px}.site-header>a:last-child{color:var(--muted)}main{display:grid;grid-template-columns:1.2fr 1fr;gap:88px;padding-top:88px}.eyebrow{color:var(--accent);font-size:12px;letter-spacing:.18em;font-weight:700;margin:0 0 20px}h1{font-size:clamp(40px,5.6vw,67px);line-height:1.2;letter-spacing:-.045em;margin:0 0 26px}h2{font-size:27px;letter-spacing:-.03em;line-height:1.3;margin:0 0 12px}h3{font-size:17px;margin:12px 0 8px}.lead{font-size:17px;color:var(--muted);max-width:450px;margin-bottom:40px}.notice{display:flex;align-items:flex-start;gap:12px;max-width:420px;border-top:1px solid var(--border);padding-top:21px;color:var(--muted);font-size:13px}.notice p{margin:0}.notice-dot{width:7px;height:7px;flex:0 0 7px;background:var(--accent);border-radius:50%;margin-top:8px}.account-card{background:#1b282e;border:1px solid #405057;border-radius:18px;padding:32px;box-shadow:0 22px 70px #0002;align-self:start}.mode-switch{display:grid;grid-template-columns:1fr 1fr;background:#111d23;border-radius:9px;padding:4px;margin-bottom:28px}.mode-switch button{border:0;border-radius:6px;color:var(--muted);background:transparent;padding:8px;font-weight:600}.mode-switch button[aria-pressed=true]{background:#36474f;color:#f4f7f0}.subtle{color:var(--muted);font-size:14px;margin:0 0 24px}label{display:block;font-size:13px;font-weight:600;margin-bottom:7px}input{display:block;width:100%;border-radius:7px;border:1px solid #4a5c65;background:#132027;color:#fff;padding:11px 13px;outline:none;line-height:1.4}input:focus{border-color:var(--accent);box-shadow:0 0 0 3px #d9eb8f1c}.field-hint{font-size:11px;color:#a0b0b6;margin:7px 0 18px}.primary,.secondary{width:100%;border:0;border-radius:8px;padding:12px 16px;font-weight:700;margin-top:8px}.primary{color:#243016;background:var(--accent)}.primary:hover:not(:disabled){background:#e7f5b5}.secondary{color:#eef1ed;background:#35474f}.message{font-size:13px;color:var(--accent);margin:18px 0 0;min-height:0}.message:empty{display:none}.message.error{color:#ffb4a8}.account-help{border-top:1px solid var(--border);padding-top:20px;margin:23px 0 0;font-size:12px;color:var(--muted)}.member-note{border:1px solid var(--border);border-radius:8px;padding:18px;font-size:14px;margin:24px 0;color:#d3dddf}.steps{grid-column:1/-1;border-top:1px solid var(--border);padding:44px 0 56px}.steps>div{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.steps .eyebrow{margin:0}.steps h2{font-size:23px;margin:0}.steps ol{display:grid;grid-template-columns:repeat(3,1fr);padding:0;list-style:none;gap:48px}.steps li>span{color:var(--accent);font-size:12px;letter-spacing:.1em}.steps li>p{font-size:13px;color:var(--muted);margin:0}footer{display:flex;justify-content:space-between;border-top:1px solid var(--border);padding:23px 0 36px;color:#8fa1a9;font-size:12px}:focus-visible{outline:2px solid var(--accent);outline-offset:4px}@media(max-width:800px){main{grid-template-columns:1fr;gap:40px;padding-top:44px}.site-header{height:82px}.intro{max-width:580px}.lead{max-width:100%;margin-bottom:25px}.account-card{max-width:540px;width:100%;justify-self:center}.steps ol{gap:25px}.steps>div{align-items:flex-start;gap:12px;flex-direction:column}.steps{padding-top:32px}}@media(max-width:520px){.site-header,main,footer{width:calc(100% - 32px)}.account-card{padding:24px}.steps ol{grid-template-columns:1fr;gap:22px}.steps li{padding-top:12px}.steps li+li{border-top:1px solid var(--border)}footer{gap:18px;flex-wrap:wrap}h1{font-size:44px}}